Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7908843 | Exhaust gas purification device | Yoshinaka Takeda, Satoshi Hiranuma, Ritsuko Shinozaki, Shinichi Saitou, Yasuko Suzuki | 2011-03-22 |
| 7497078 | Exhaust emission control device of internal combustion engine | Satoshi Hiranuma, Ritsuko Shinozaki, Yoshinori Takahashi, Yoshinaka Takeda, Shinichi Saito +3 more | 2009-03-03 |
| 7104049 | Exhaust gas purifying system and regeneration end determining method | Satoshi Hiranuma, Yoshinaka Takeda, Toru Kawatani | 2006-09-12 |
| 7013638 | Exhaust gas purifying system and exhaust gas purifying method | Satoshi Hiranuma, Yoshinaka Takeda, Toru Kawatani | 2006-03-21 |
| 6755014 | NOx cleaning apparatus and NOx cleaning method for internal combustion engine | Kenji Kawai, Yoshinori Takahashi, Shinichi Saito, Toru Kawatani, Yoshinaka Takeda +3 more | 2004-06-29 |